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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1584 (Disc Brake System) >> Repair Instructions >> Rear Disc Brake Pads Replacement (JD9)

Rear Disc Brake Pads Replacement (JD9)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Rear Disc Brake Pads (JD9)
GM1850340Courtesy of GENERAL MOTORS CORP.
Callout Component Name
WARNING: Refer to Brake Dust Warning .
CAUTION: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

Preliminary Procedures

  1. Inspect the fluid level in the brake master cylinder reservoir.
  2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed before proceeding.
  3. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1 Brake Caliper Guide Pin Bolt
CAUTION: Refer to Fastener Caution .

Procedure

  1. DO NOT use any air tools to remove or install the brake caliper guide pin bolts. Use hand tools ONLY.
  2. Install an open end wrench to hold the caliper guide pin in line with the brake caliper while removing or installing the caliper guide pin bolts. DO NOT allow the open end wrench to contact the brake caliper. Allowing the open end wrench to contact the brake caliper will cause a pulsation when the brakes are applied.
  3. Discard the brake caliper guide pin bolt.
  4. Ensure the brake caliper guide pin seal is fully seated in the groove of the brake caliper guide pin and the guide pin slides freely in caliper bracket bore.
  5. After the installation is complete, install a new brake caliper guide pin bolt.

Tighten:  52 N.m (38 lb ft)
2 Brake Caliper

Procedure

  1. Install a large C-clamp over the top of the brake caliper housing and against the back of the outboard disc brake pad.
  2. Slowly and evenly tighten the C-clamp until the caliper piston is completely retracted into the brake caliper bore.
  3. Remove the C-clamp.
  4. Without disconnecting the brake hose, pivot the brake caliper upward.
  5. Support the brake caliper with heavy mechanics wire or equivalent.
  6. If installing new brake pads, thoroughly clean the brake caliper piston faces and caliper housing to brake pad contact surfaces of all disc brake pad insulator adhesive residue with denatured alcohol and allow to dry.

    Use care to avoid damaging the brake caliper piston dust seals.
3 Disc Brake Pad (Qty: 2)

Procedure

  1. If installing new brake pads, remove the adhesive backing paper from the brake pad insulators.
  2. If installing the original brake pads, note the location of the brake pads for proper installation.
4 Brake Pad Spring Clip (Qty: 2)

Procedure

  1. Thoroughly clean the brake pad hardware mating surfaces of the caliper bracket of any debris and corrosion with denatured alcohol and allow to dry.
  2. Apply a very thin coating of high temperature silicone brake lubricant to the pad hardware mating surfaces of the caliper bracket only.
  3. After the installation is complete and with the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  4. Slowly release the brake pedal.
  5. Wait 15 seconds, then repeat steps 3-4 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  6. Fill the master cylinder to the proper level. Refer to Master Cylinder Reservoir Filling (Non-Hybrid) or Master Cylinder Reservoir Filling (Two-mode Hybrid) .
  7. Firmly apply and maintain pressure on the brake pedal for 30 seconds to seat the brake pad insulators to the brake caliper pistons and brake calliper housing. Repeat this step 1 additional time.
  8. Burnish the brake pads and rotors. Refer to Brake Pad and Rotor Burnishing .
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